Comment on "A G protein coupled receptor is a plasma membrane receptor for the plant hormone abscisic acid".

Johnston, Christopher A; Temple, Brenda R; Chen, Jin-Gui; Gao, Yajun; Moriyama, Etsuko N; Jones, Alan M; Siderovski, David P; Willard, Francis S · Science · 2007

editorial · Level V

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Abstract

Liu et al. (Reports, 23 March 2007, p. 1712) reported that the Arabidopsis thaliana gene GCR2 encodes a seven-transmembrane, G protein-coupled receptor for abscisic acid. We argue that GCR2 is not likely to be a transmembrane protein nor a G protein-coupled receptor. Instead, GCR2 is most likely a plant homolog of bacterial lanthionine synthetases.

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